Linux Distros Unpatched Vulnerability : CVE-2023-42833

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(226244);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/22");

  script_cve_id("CVE-2023-42833");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2023-42833");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - A correctness issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14, Safari 17,
    iOS 17 and iPadOS 17. Processing web content may lead to arbitrary code execution. (CVE-2023-42833)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2023-42833");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2023-42833");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-42833");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/11/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:qtwebkit-opensource-src");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:qtwebkit-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:webkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:webkitgtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:wpewebkit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:libwebkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:webkitgtk3-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("set_linux_os_id.nasl", "ssh_get_info2.nasl");
  script_require_keys("Host/OS/identifier", "Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched");
  script_require_ports("Host/OS/CentOS Linux-7", "Host/OS/Red Hat Enterprise Linux-7", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libqt5webkit5"},
          {"reference": "libqt5webkit5-dbg"},
          {"reference": "libqt5webkit5-dev"},
          {"reference": "libqt5webkit5-qmlwebkitplugin"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qml-module-qtwebkit"},
          {"reference": "qtwebkit-source"},
          {"reference": "qtwebkit5-doc-html"},
          {"reference": "webkitgtk"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "qtwebkit-source"},
          {"reference": "webkit2gtk-driver"},
          {"reference": "webkitgtk"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "gir1.2-javascriptcoregtk-4.0"},
          {"reference": "gir1.2-webkit2-4.0"},
          {"reference": "libjavascriptcoregtk-4.0-18"},
          {"reference": "libjavascriptcoregtk-4.0-bin"},
          {"reference": "libjavascriptcoregtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-37"},
          {"reference": "libwebkit2gtk-4.0-37-gtk2"},
          {"reference": "libwebkit2gtk-4.0-dev"},
          {"reference": "libwebkit2gtk-4.0-doc"},
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "webkit2gtk-driver"},
          {"reference": "wpewebkit"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "qtwebkit-opensource-src"},
          {"reference": "wpewebkit"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "qtwebkit-opensource-src"}
        ]
      }
    ]
  },
  "CentOS Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "libwebkit2gtk"},
          {"reference": "webkitgtk3"},
          {"reference": "webkitgtk3-devel"},
          {"reference": "webkitgtk3-doc"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-7": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "7",
        "pkgs": [
          {"reference": "libwebkit2gtk"},
          {"reference": "webkitgtk3"},
          {"reference": "webkitgtk3-devel"},
          {"reference": "webkitgtk3-doc"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}